Generally small blue and white beetles, generally this kind of beetles will bite the leaves, buds and flowers, resulting in incomplete leaves.
1. Use the pseudo death of adults to shake the branches in the morning or evening to kill them;
2. Spray 1000 times solution of 40% Omethoate, or 1000 times solution of 50% marathon in the occurrence period of adults.
3. Using the habit of adults entering the soil, 2.5% imiphos powder was sprinkled around the plants. After the implementation, the surface soil was loosened and the adults were poisoned and died.
Adults and nymphs often cluster on the back of young leaves to prick and suck juice. The damaged leaves have perforation, rupture, curl or thickening symptoms with different leaf ages.
1. In winter, the overdense branches and dead branches should be cut off, and the diseased plants should be burned to reduce the source of insects.
2. The adult can be killed by using insect net in the full development period.
3. During the damage period of nymphs and adults, 90% trichlorfon 1000 times solution or 40% dimethoate emulsion 1200 times solution can be used for spraying.
